Hartree Partners

Hartree Partners is a global commodity trading and investment firm operating across energy, metals and environmental markets. The company is headquartered in New York and maintains offices in several countries, giving it an international trading footprint. It is privately owned and is not listed on any stock exchange. Hartree Partners provides trading, risk management, logistics and financing services to producers, consumers and investors across commodity supply chains. The firm has expanded into critical minerals and battery-material supply chains, including lithium and recycled battery inputs such as black mass, reflecting growing interest in the energy-transition metals sector. It participates in ventures and partnerships linked to battery recycling and critical-mineral sourcing, positioning itself alongside producers and technology firms in this space. Hartree Partners' scale and financial resources allow it to support offtake agreements and investment in emerging supply chains. The firm's activities span physical commodities as well as financial trading instruments. It has built a reputation as a flexible merchant and investment partner for companies developing new mineral-processing and recycling capacity. Founded as a commodity trading house, Hartree Partners has grown through diversification into new asset classes and geographies over the years.